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Exhibit B from proximity to the University of Oregon. The interim protection measures are intended to limit further negative impacts until the area planning process is completed. It is expected that these interim measures will be replaced by a more comprehensive set of development and design standards established as part of the area planning effort. 9.2751 Special Development Standards for Table 9.2750. (3) Building Height. (d) An additional 7 feet of building height is allowed for roof slopes of 6:12 or steeper in the R-1, R-2, R-3 and R-4 zones, except that this additional building height allowance is not permitted in the R-1 zone for secondary dwellings, accessory buildings or development on alley access lots. (17) Secondary Dwellings in R-1. (a) General Standards for Attached Secondary Dwellings. Except as provided in subsection (c) below, secondary dwellings that are within the same building as the primary dwelling shall comply with all of the following: 3. Building Height(Interior Setback. Except for secondary dwellings on flag lots (see EC 9.2775), the following standards apply. - a. For attached secondary dwellings located within 60 feet of a front lot line, interior yard setbacks shall be at least 5 feet, and maximum building height shall be limited to that of the main building as per Table 9.2750 b. For attached secondary dwellings located greater than 60 feet of a front lot line, interior yard setbacks shall be at least 5 feet. In addition, at a point that is 8 feet above finished grade, the setback shall slope at the rate of 10 inches vertically for every 12 inches horizontally away from the property line to a maximum building height of 18 feet. (See Figure 9.2751(16)(b)3.) C. The allowances for setback intrusions provided at EC 9.6745(3) do not apply within the setback described in subsections a. and b. above, except that eaves and chimneys are allowed to project into this setback no more than 2 feet. (b) General Standards for Detached Secondary Dwellings. In addition to the standards in subsection (a) of this section, detached secondary dwellings shall comply with the following, except as provided in subsection (c) below: 5. Building Height(Interior Setback. Except for secondary dwellings on flag lots (see EC 9.2775), the following standards apply. - a. Interior yard setbacks shall be at least 5 feet. In addition, at a point that is 8 feet above finished grade, the setback shall slope at the rate of 10 inches vertically for every 12 inches 22